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<head>
  <meta charset="UTF-8">
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  <title>数组的reduce方法</title>
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<body>

  <script>
    const res = [1, 2, 3].reduce((acc, cur) => {
      console.log(acc, cur)
      return acc + cur
    }, 0)
    console.log(res);
  </script>
</body>

</html>